Cut-pile carpet fabric



NITED STATES PATENT FFicE.

HARRY IIARDWIOK, OF PHILADELPHIA, PENNSYLVANIA.

CUT-PILE C'ARPET FABRIC.

SPECIFICATION forming part of Letters Patent No. 604,320, dated May 17, 1898.

" Application filed September 22,1897. SerialNo. 652,552. (No model.)

To all whom it may concern:

Be-it known that I, HARRY 'HARDwIoK, a citizen of the United States, residing in Philadelphia, Pennsylvania, have invented a certain Improved Cut-Pile Carpet Fabric, of

which the following is a specification.

P ing-warps, but by preference also includes a heavier or stiffer warp, as will be hereinafter fully set forth.

In the accompanying drawings, Figure 1 represents in diagrammatic form and widely separated from each other the various warp and weft threads of which myimproved fabric is composed. Fig. 2 is an exaggerated view showing a section of the fabric, taken in the direction of the weft or on the line to w, Fig. 1. Fig. 3 is a section of the fabric, taken in the direction of the warp or on the line mm, Fig. 1; and Fig. 4 is a section of the fabric on the line y y, Fig. 1.

In the present instance I have shown my invention as embodied in that form of carpet fabric known as a five-frame Wilton that is to say, a fabric having five threads in each set of pile-forming .warps, which threads I have in the drawings numbered 1, 2, 3, 4, and 5, respectively. With each set of pilethreads I have also in the present instance combined a heavy or stuffer warp thread 6; but the use of such stuffer-warp is not essential, and it may be dispensed with, if desired.

Between adjoining sets of pile-warp threads are sets of divider-warps, each set comprising two pairs of fine binding-warps and an interposed heavier warp, one pair of binderwarps being numbered 7 and 8 and the other pair being numbered 9 and 10, while the interposed warp-thread is numbered 11, and may be composed of a single strand or of any desired number of smaller strands shedded as a unit.

The Various Warp-threads are in the present instance combined with weft-threads disposed in sets of three, numbered, respective1y,'12,"13, and 14, the pile-warps being bound down by the upper Wefts 12 and 13 of the set and bound on the back by the lower thread 14, this forming the well-known threeshot binder. It should be understood, however, that my invention is not limited to a fabric having three binding-wefts disposed in this manner, as any desired form of weftbinder may be used, and stuffing-warps may be used in the backing in order to give increased body to the fabric Without departing from the essential features of my invention.

In weaving the fabric the pile-warps are controlled by the jacquard machine, as usual, and each pair of fine binding-warps by a pair of heddles or journals, an additional heddle being employed for the control of the warp 11 when the latter is employed, for it should be understood that although I prefer to use this additional warp it is not essential to the proper carrying out of my invention, as the sets of divider-warps interposed between the sets of pile-warps may each consist of two or more sets of fine binding-warps, the object being to effect the lateral or transverse separation of the pile-tufts and the lateral as well as longitudinal compression of the bases of said tufts, so that each tuft will be at liberty to spread both laterally and longitudinally, whereby I am enabled to produce in an ordinary Brussels or Wilton loom a fabric having a surface closely resembling that of an AX- minster carpet or a rug produced by the use of chenille, my improved method of production being much the cheaper of the two.

My invention also enables me to greatly increase the number of colors in the fabric without increasing the cost of the same as compared with an ordinary Wilton carpet having the same number of pile-warp threads. For instance, in weaving an ordinary five-frame Wilton carpet each reed-space accommodates a set of five pile-warp threads of different colors, all of the sets being alike and vthere are marked by a greater diversity of color than can be obtained in Wilton or other out pile fabrics woven in the usual manner.

Having thus described my invention, I claimand desire to secure by Letters Patent-T 1, A cutrpilefabric having sets of pile-warp alternating with sets of divider-Warp, the whole being interwoven with binding-wefts, the pile being formed .by upwa rdly-extending tufts of warp-thread and the sets of dividerwarp each containingtwo or n 'or e pairs of fine binder-warp, so separated as'to laterally compress the bases of the tufts of pile-warp, substantially as specified.

2. A cut-pile fabric having sets of pile-Warp alternating with sets of divider-warp, the

whole being interwoven with binding-Wefts the pile being formed by upwardly-extending tufts of warp-thread and each set of dividerwarp comprising one or more pairs of fine binder; warp and one or more strands of stuffer-warp, substantially as's'p'ecified.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

HAR Y HARDWIOK- Witnesses:

F. E. B oHToLD, J 0s. H. KLEIN. 

